NT-EPISTLES.filter - kjv understandeth:

kjv@Romans:3:11 @ There is none that understandeth, there is none that seeketh after God.

kjv@1Corinthians:14:2 @ For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandeth him; howbeit in the spirit he speaketh mysteries.

kjv@1Corinthians:14:16 @ Else when thou shalt bless with the spirit, how shall he that occupieth the room of the unlearned say Amen at thy giving of thanks, seeing he understandeth not what thou sayest?